Home / 28,587.34-42,897.36-22,329.79

Finding the Fourth Proportional to 28,587.34, 42,897.36 and 22,329.79

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Solution

The fourth proportional to 28,587.34, 42,897.36 and 22,329.79 is: 33,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.34 : 42,897.36 = 22,329.79 : x
  2. Step 2: Convert to fraction form
    28,587.34/42,897.36 = 22,329.79/x
  3. Step 3: Cross multiply
    28,587.34x = 42,897.36 × 22,329.79
  4. Step 4: Simplify right side
    28,587.34x = 957,889,016.85
  5. Step 5: Solve for x
    x = 957,889,016.85/28,587.34
  6. Step 6: Final answer
    x = 33,507.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.